CVE-2018-10698

highpriority · track · 40OT risk · elevatedEPSS 0.023 · 83 %ileEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

2.34% (83rd) EPSS

CVSS 10 · high

Is it mine?

4 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · cisa_csaf_ot · nvd

EPSS · scored 2026-10-26

An issue was discovered on Moxa AWK-3121 1.14 devices. The device enables an unencrypted TELNET service by default. This allows an attacker who has been able to gain an MITM position to easily sniff the traffic between the device and the user. Also an attacker can easily connect to the TELNET daemon using the default credentials if they have not been changed by the user.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

No vendor fix yet; a mitigation is available.

MitigationAWK-3121cisa_csaf_ot
Moxa notes this device has reached end of life and has been replaced by model AWK-1131A (see Moxa bulletin). Moxa recommends users apply the latest security patch, which can be obtained by contacting customer service at the following link:
https://www.moxa.com/en/products/phased-out-products/awk-3121-series

cvss

Technical severity, 0–10. One row per scoring source.

10.0

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 9–10

v2.010highAV:N/AC:L/Au:N/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 10 · impact 10

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9

v3.09.8criticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · CISA US

v3.19criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-311USprimaryCWE-319US

affected products (4)

Products and version ranges known to be affected.

AWK-3121: All Versions 1.14 and priorall versionscisa_csaf_otUS
Moxa AWK-3121≤ 1.14cisa_csaf_otUS
n/a n/a≤ n/aenisa_euvdEU
moxa awk-3121 firmware= 1.14nvdUScpe:2.3:o:moxa:awk-3121_firmware:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

ICSA-19-337-02Moxa AWK-31212019-12-03icsa · cisa_csaf_otUS
Successful exploitation of these vulnerabilities could allow an attacker to view sensitive information, cause availability issues, and execute remote code.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cisa_csaf_ot nvd NVD CVE.org MITRE

published 2019-06-07modified 2026-06-17

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references (13)

External citations — patches, advisories, analysis.

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